calculating lattice energy of CaCl2
calculate the lattice energy of CaCl2 using the following date:
delta heat [Ca(g)] = 179.3 kJ/mol
delta heat [Cl(g)] = 121.7 kJ/mol
delta heat [CaCl2(s)] = -794.96
IE1 (Ca) = 590 kJ/mol
IE2 (Ca) = 1145 kJ/mol
EA (Cl) = 349 kJ/mol
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